/*
 * Copyright (c) 2007 innoSysTec (R) GmbH, Germany. All rights reserved.
 * Original author: Edmund Wagner
 * Creation date: 24.05.2007
 *
 * Source: $HeadURL$
 * Last changed: $LastChangedDate$
 * 
 * 
 * the unrar licence applies to all junrar source and binary distributions 
 * you are not allowed to use this source to re-create the RAR compression algorithm
 *
 * Here some html entities which can be used for escaping javadoc tags:
 * "&":  "&#038;" or "&amp;"
 * "<":  "&#060;" or "&lt;"
 * ">":  "&#062;" or "&gt;"
 * "@":  "&#064;" 
 */
package com.github.junrar.rarfile;

import com.github.junrar.io.Raw;

/**
 * extended version info header
 * 
 * @author $LastChangedBy$
 * @version $LastChangedRevision$
 */
public class AVHeader extends BaseBlock
 {

  public static final int avHeaderSize = 7;

  private byte unpackVersion;
  private byte method;
  private byte avVersion;
  private int avInfoCRC;

  public AVHeader(BaseBlock bb, byte[] avHeader)
   {
    super(bb);

    int pos = 0;
    unpackVersion |= avHeader[pos] & 0xff;
    pos++;
    method |= avHeader[pos] & 0xff;
    pos++;
    avVersion |= avHeader[pos] & 0xff;
    pos++;
    avInfoCRC = Raw.readIntLittleEndian(avHeader, pos);
   }

  public int getAvInfoCRC()
   {
    return avInfoCRC;
   }

  public byte getAvVersion()
   {
    return avVersion;
   }

  public byte getMethod()
   {
    return method;
   }

  public byte getUnpackVersion()
   {
    return unpackVersion;
   }
 }
